Enhanced pressure measurement flow control system

Details Enhanced pressure measurement flow control system Enhanced pressure measurement flow control system

1989-05-01

1990-12-11

Myracle, Jerry W.

Measuring and testing

Testing of apparatus

73149, 364564, G01F 1700

Patent

active

049761625

ABSTRACT:
A system for measuring flow of fluid through a line. A portion of the fluid in the line is isolated in a rigid container so that the fluid in the container is not affected by pressure in the rest of the line. An apparatus is provided for measuring that portion of the container that is not occupied by the fluid. In order to urge fluid into and out of the container, a positive pressure source, for providing gas to the container, and a negative pressure source for removing gas from the container, are provided for.

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patent: 4561298 (1985-12-01), Pond
patent: 4634430 (1987-01-01), Polaschegg
patent: 4781061 (1988-11-01), Baumgartl
patent: 4833922 (1989-05-01), Frick et al.

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